<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
    <meta content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport">  
		<style type="text/css">
			*{
				padding: 0;
				margin: 0;
			}
			.aaa{
				width: 100vw;
				height: 100vh;
				background: url(微信图片_20181225141023.jpg) no-repeat fixed;
				background-size: cover;
			}
		</style>
	</head>
	<body>
		<div class="aaa">
			
		</div>
	</body>
</html>
